(7) Number of subscribers at the end of the relevant period as a percentage of the number of homes passed by iesy’s network at the end of the relevant period. (8) Includes subscribers for iesy’s English language programming, which was introduced in the fourth quarter of 2004, but does not include Premiere subscribers (estimated by iesy at more than 100,000 as of March 31, 2005). (9) Revenue generating units, or “RGUs,” relate to sources of revenue, which may not always be the same as subscriber numbers. For example, one person may subscribe to two different services, thereby accounting for only one subscriber but for two RGUs. (10) Calculated by dividing basic cable subscription revenues (including basic cable installation fees, but excluding basic cable carriage fees) for a period by the average number of total basic cable subscribers for that period and the number of months for that period. 77